Home / 788,505.30-1,182,466.35-256,043.70

Finding the Fourth Proportional to 788,505.30, 1,182,466.35 and 256,043.70

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Solution

The fourth proportional to 788,505.30, 1,182,466.35 and 256,043.70 is: 383,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,505.30 : 1,182,466.35 = 256,043.70 : x
  2. Step 2: Convert to fraction form
    788,505.30/1,182,466.35 = 256,043.70/x
  3. Step 3: Cross multiply
    788,505.30x = 1,182,466.35 × 256,043.70
  4. Step 4: Simplify right side
    788,505.30x = 302,763,059,379.50
  5. Step 5: Solve for x
    x = 302,763,059,379.50/788,505.30
  6. Step 6: Final answer
    x = 383,970.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.